摘要
本文用浓盐酸还原过量高锰酸钾,不调酸度,直接用0.5%二苯碳酰二肼丙酮溶液显色比色测定水中总铬。实验证明本方法具有反应迅速、显色稳定、操作简便、结果准确的特点,在生产中应用具有良好效果。
出处
《中国新技术新产品》
2010年第5期17-17,共1页
New Technology & New Products of China
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